Past Reports

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  • 2023

1 December 2023

Summary Grass is low in the winter rainfall city of Cape Town but increasing in the summer rainfall areas. Spikes for fungal spores are appearing as temperatures increase and a...
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24 November 2023

Summary Mould concentrations are low at all sites except Durban where they were moderate to high . Tree pollen is disappearing from the air, but grasses are increasing at sites...
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17 November 2023

Cape Town Pollen counts decreased sharply during this warm, dry and windy week. Grasses, trees and weeds were all low. Trees detected included ash (Fraxinus), cypress (Cupressaceae), olive (Oleaceae), pine...
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9 November 2023

Summary Grass pollen was high on warm still days in Cape Town but low in all other sampled cities. Tree pollen is moderate in Pretoria only and weeds were low...
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3 November 2023

Summary The only significant pollen concentrations were moderate grass counts seen in Cape Town. Smaller spikes were noted for English plantain and moulds were low at all sampling sites except...
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27 October 2023

Summary Grasses were moderate in Cape Town and moulds were moderate in Durban and George. Tree and weed pollen concentrations were low at all the sampling sites. Cape Town: Grasses...
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20 October 2023

Summary Cape Town has moderate grass, weed and Alternaria (mould) counts. Trees are moderate in Bloemfontein and moulds were moderate in George. Cape Town Tree pollen increased as pine (Pinaceae)...
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13 October 2023

Summary On days without rain grass pollen is now high in the Cape Town winter rainfall area and in Cape Town, Bloemfontein and Potchefstroom tree pollen was also high. Cape...
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6 September 2023

Summary Tree pollen is waning but a variety spring flowering trees are still well represented in the air. Grasses are increasing in the winter rainfall areas and veld fires have...
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29 September 2023

Summary The low pressure area that moved into the country, during this sampling week reduced pollen and mould in the air but moderate to high tree concentrations were seen on...
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22 September 2023

Summary The low temperatures with snow on high lying ground have reduced pollen loads in the air, but tree pollen is still high in Bloemfontein and Potchefstroom. Cape Town Heavy...
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16 September 2023

Tree pollen is high in Gauteng and the Free State and plane is the dominant tree. Rain has reduced all pollen in the atmosphere in coastal areas especially in the...
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8 September 2023

Tree pollen increased in Johannesburg, Bloemfontein, Pretoria and Potchefstroom. Rain diminished the pollen concentrations in Cape Town. The dominant trees are plane, mulberry, olive, ash, and African stinkwood. Grasses, weeds...
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1 September 2023

High tree pollen concentrations were seen at several sites and the dominant tree was plane, followed by cypress, beech and mulberry. Cape Town Grasses were generally low but on the...
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25 August 2023

Tree pollen is high at many sites and plane tree is now the dominant pollen. The Cape grass season has started early (27 August) after heavy winter rainfall in this...
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18 August 2023

Tree counts were moderate to high at most SA sampling sites and the dominate tree pollen was cypress. Cape Town Rain removed pollen and fungal spores from the atmosphere during...
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11 August 2023

Tree pollen has increased to moderate or high levels at most of the sites and the dominant tree is cypress. Grasses and weeds were very low. Cape Town Repeat of...
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4 August 2023

Tree pollen is increasing in many of our sampling sites and the dominant tree pollen is cypress, with high cypress pollen concentrations in Johannesburg. Cape Town Low grass, tree and...
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28 July 2023

Tree counts are increasing in some cities as spring approaches and a spike for weeds was detected in Gqeberha. Grasses and moulds were low at all sites. High tree counts...
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21 July 2023

Low pollen concentrations were seen at all the sampling sites, but tree pollen is increasing in Cape Town as cypress begins its pollen release cycle. Cape Town: Pollen concentrations were...
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14 July 2023

Bitterly cold weather with snow on mountaintops and in cities at high altitude  like Johannesburg, prevailed during this sampling week. In response pollen and fungal spore concentrations remained low. The...
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7 July 2023

Inclement weather during the midwinter period reduced pollen and fungal spore (mould) concentrations in the atmosphere. Extremely low pollen and mould concentrations were detected at all the sampling sites across...
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30 June 2023

Summary The rain and storms across South Africa, together with low temperatures have resulted in reduced pollen and mould in the atmosphere. No significant concentrations were recorded. Cape Town The...
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23 June 2023

Summary Very low temperatures with storms and flooding in many areas occurred in many parts of South Africa in the past week. These adverse weather conditions are reflected in the...
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